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PBS NewsHour | Top U.S. Commander Investigated as Part of Petraeus Scandal | PBS

Another high-ranking military officer may somehow be involved in the Petraeus affair scandal. Jeffrey Brown talks to the Washington Post's Sari Horowitz about an investigation into messages sent by Gen. John Allen to Jill Kelley, the woman who received harrassing emails from Paula Broadwell, David Petraeus' lover and biographer.